5026239981 has 24 divisors (see below), whose sum is σ = 8327930624. Its totient is φ = 2861529120.

The previous prime is 5026239947. The next prime is 5026239991. The reversal of 5026239981 is 1899326205.

5026239981 is a `hidden beast` number, since 502 + 62 + 3 + 9 + 9 + 81 = 666.

It is not a de Polignac number, because 5026239981 - 2⁹ = 5026239469 is a prime.

It is a super-2 number, since 2×5026239981² = 50526176693205760722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5026239931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130126 + ... + 164271.

Almost surely, 2^5026239981 is an apocalyptic number.

It is an amenable number.

5026239981 is a deficient number, since it is larger than the sum of its proper divisors (3301690643).

5026239981 is a wasteful number, since it uses less digits than its factorization.

5026239981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294681 (or 294678 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 5026239981 is about 70895.9800059214. The cubic root of 5026239981 is about 1712.9620448322.

The spelling of 5026239981 in words is "five billion, twenty-six million, two hundred thirty-nine thousand, nine hundred eighty-one".